2198810 has 8 divisors (see below), whose sum is σ = 3957876. Its totient is φ = 879520.

The previous prime is 2198783. The next prime is 2198827. The reversal of 2198810 is 188912.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 34969 = 1471^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2198810² = 9669530832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109931 + ... + 109950.

2^2198810 is an apocalyptic number.

2198810 is a deficient number, since it is larger than the sum of its proper divisors (1759066).

2198810 is a wasteful number, since it uses less digits than its factorization.

2198810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219888.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2198810 is about 1482.8384942400. The cubic root of 2198810 is about 130.0356903978.

The spelling of 2198810 in words is "two million, one hundred ninety-eight thousand, eight hundred ten".